7(x+3)=-4(x+3)

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Solution for 7(x+3)=-4(x+3) equation:


Simplifying
7(x + 3) = -4(x + 3)

Reorder the terms:
7(3 + x) = -4(x + 3)
(3 * 7 + x * 7) = -4(x + 3)
(21 + 7x) = -4(x + 3)

Reorder the terms:
21 + 7x = -4(3 + x)
21 + 7x = (3 * -4 + x * -4)
21 + 7x = (-12 + -4x)

Solving
21 + 7x = -12 + -4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4x' to each side of the equation.
21 + 7x + 4x = -12 + -4x + 4x

Combine like terms: 7x + 4x = 11x
21 + 11x = -12 + -4x + 4x

Combine like terms: -4x + 4x = 0
21 + 11x = -12 + 0
21 + 11x = -12

Add '-21' to each side of the equation.
21 + -21 + 11x = -12 + -21

Combine like terms: 21 + -21 = 0
0 + 11x = -12 + -21
11x = -12 + -21

Combine like terms: -12 + -21 = -33
11x = -33

Divide each side by '11'.
x = -3

Simplifying
x = -3

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